KeyCodes (GWT Javadoc)

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com.google.gwt.event.dom.client
Class KeyCodes

java.lang.Object
  com.google.gwt.event.dom.client.KeyCodes

public class KeyCodes
extends java.lang.Object
extends java.lang.Object

Contains the native key codes previously defined in KeyboardListener. When converting keyboard listener instances, developers can use the following static import to access these constants:

 import static com.google.gwt.event.dom.client.KeyCodes.*;

These constants are defined with an int data type in order to be compatible with the constants defined in KeyboardListener.

Field Summary
`static int`	`KEY_A` Key code for A
`static int`	`KEY_ALT` Alt key code.
`static int`	`KEY_B` Key code for B
`static int`	`KEY_BACKSPACE` Backspace key code.
`static int`	`KEY_C` Key code for C
`static int`	`KEY_CAPS_LOCK` Key code for caps lock key
`static int`	`KEY_CONTEXT_MENU` Key code for context menu key.
`static int`	`KEY_CTRL` Control key code.
`static int`	`KEY_D` Key code for D
`static int`	`KEY_DELETE` Delete key code (also numeric keypad delete).
`static int`	`KEY_DOWN` Down arrow code (Also numeric keypad down).
`static int`	`KEY_E` Key code for E
`static int`	`KEY_EIGHT` Key code number 8
`static int`	`KEY_END` End key code (Also numeric keypad south west).
`static int`	`KEY_ENTER` Enter key code.
`static int`	`KEY_ESCAPE` Escape key code.
`static int`	`KEY_F` Key code for F
`static int`	`KEY_F1` Key code for F1
`static int`	`KEY_F10` Key code for F10
`static int`	`KEY_F11` Key code for F11
`static int`	`KEY_F12` Key code for F12
`static int`	`KEY_F2` Key code for F2
`static int`	`KEY_F3` Key code for F3
`static int`	`KEY_F4` Key code for F4
`static int`	`KEY_F5` Key code for F5
`static int`	`KEY_F6` Key code for F6
`static int`	`KEY_F7` Key code for F7
`static int`	`KEY_F8` Key code for F8
`static int`	`KEY_F9` Key code for F9
`static int`	`KEY_FIRST_MEDIA_KEY` Key code for first OS specific media key (like volume).
`static int`	`KEY_FIVE` Key code number 5
`static int`	`KEY_FOUR` Key code number 4
`static int`	`KEY_G` Key code for G
`static int`	`KEY_H` Key code for H
`static int`	`KEY_HOME` Home key code (Also numeric keypad north west).
`static int`	`KEY_I` Key code for I
`static int`	`KEY_INSERT` Key code for insert key (Also numeric keyboard insert).
`static int`	`KEY_J` Key code for J
`static int`	`KEY_K` Key code for K
`static int`	`KEY_L` Key code for L
`static int`	`KEY_LAST_MEDIA_KEY` Key code for last OS specific media key (like volume).
`static int`	`KEY_LEFT` Left key code (Also numeric keypad west).
`static int`	`KEY_M` Key code for M
`static int`	`KEY_MAC_ENTER` Key code for Mac enter key
`static int`	`KEY_MAC_FF_META` Key code for `KEY_WIN_KEY_LEFT_META` that Firefox fires for the meta key.
`static int`	`KEY_N` Key code for N
`static int`	`KEY_NINE` Key code number 9
`static int`	`KEY_NUM_CENTER` Key code for insert key (Also num lock on FF,Safari Mac).
`static int`	`KEY_NUM_DIVISION` Key code for division on numeric keyboard
`static int`	`KEY_NUM_EIGHT` Key code for number 8 on numeric keyboard
`static int`	`KEY_NUM_FIVE` Key code for number 5 on numeric keyboard
`static int`	`KEY_NUM_FOUR` Key code for number 4 on numeric keyboard
`static int`	`KEY_NUM_MINUS` Key code for minus on numeric keyboard
`static int`	`KEY_NUM_MULTIPLY` Key code for multiply on numeric keyboard
`static int`	`KEY_NUM_NINE` Key code for number 9 on numeric keyboard
`static int`	`KEY_NUM_ONE` Key code for number 1 on numeric keyboard
`static int`	`KEY_NUM_PERIOD` Key code for period on numeric keyboard
`static int`	`KEY_NUM_PLUS` Key code for plus on numeric keyboard
`static int`	`KEY_NUM_SEVEN` Key code for number 7 on numeric keyboard
`static int`	`KEY_NUM_SIX` Key code for number 6 on numeric keyboard
`static int`	`KEY_NUM_THREE` Key code for number 3 on numeric keyboard
`static int`	`KEY_NUM_TWO` Key code for number 2 on numeric keyboard
`static int`	`KEY_NUM_ZERO` Key code for number 0 on numeric keyboard
`static int`	`KEY_NUMLOCK` Key code for num lock.
`static int`	`KEY_O` Key code for O
`static int`	`KEY_ONE` Key code number 1
`static int`	`KEY_P` Key code for P
`static int`	`KEY_PAGEDOWN` Page down key code (Also numeric keypad south east).
`static int`	`KEY_PAGEUP` Page up key code (Also numeric keypad north east).
`static int`	`KEY_PAUSE` Key code for pause key
`static int`	`KEY_PRINT_SCREEN` Key code for print key
`static int`	`KEY_Q` Key code for Q
`static int`	`KEY_R` Key code for R
`static int`	`KEY_RIGHT` Right arrow key code (Also numeric keypad east).
`static int`	`KEY_S` Key code for S
`static int`	`KEY_SCROLL_LOCK` Key code for scroll lock.
`static int`	`KEY_SEVEN` Key code number 7
`static int`	`KEY_SHIFT` Shift key code.
`static int`	`KEY_SIX` Key code number 6
`static int`	`KEY_SPACE` Key code for space
`static int`	`KEY_T` Key code for T
`static int`	`KEY_TAB` Tab key code.
`static int`	`KEY_THREE` Key code number 3
`static int`	`KEY_TWO` Key code number 2
`static int`	`KEY_U` Key code for U
`static int`	`KEY_UP` Up Arrow key code (Also numeric keypad north).
`static int`	`KEY_V` Key code for V
`static int`	`KEY_W` Key code for W
`static int`	`KEY_WIN_IME` Key code for IME.
`static int`	`KEY_WIN_KEY` Key code for left windows key.
`static int`	`KEY_WIN_KEY_FF_LINUX` Key code for Windows key on Firefox Linux
`static int`	`KEY_WIN_KEY_LEFT_META` Key code for left windows key or meta.
`static int`	`KEY_WIN_KEY_RIGHT` Key code for right windows key.
`static int`	`KEY_X` Key code for X
`static int`	`KEY_Y` Key code for Y
`static int`	`KEY_Z` Key code for Z
`static int`	`KEY_ZERO` Key code number 0

Method Summary
`static boolean`	`isArrowKey(int code)` Determines if a key code is an arrow key.
`static int`	`maybeSwapArrowKeysForRtl(int code, boolean isRtl)` Update arrow keys for left and right based on current locale.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

KEY_A

public static final int KEY_A

Key code for A

See Also:: Constant Field Values

KEY_B

public static final int KEY_B

Key code for B

See Also:: Constant Field Values

KEY_C

public static final int KEY_C

Key code for C

See Also:: Constant Field Values

KEY_D

public static final int KEY_D

Key code for D

See Also:: Constant Field Values

KEY_E

public static final int KEY_E

Key code for E

See Also:: Constant Field Values

KEY_F

public static final int KEY_F

Key code for F

See Also:: Constant Field Values

KEY_G

public static final int KEY_G

Key code for G

See Also:: Constant Field Values

KEY_H

public static final int KEY_H

Key code for H

See Also:: Constant Field Values

KEY_I

public static final int KEY_I

Key code for I

See Also:: Constant Field Values

KEY_J

public static final int KEY_J

Key code for J

See Also:: Constant Field Values

KEY_K

public static final int KEY_K

Key code for K

See Also:: Constant Field Values

KEY_L

public static final int KEY_L

Key code for L

See Also:: Constant Field Values

KEY_M

public static final int KEY_M

Key code for M

See Also:: Constant Field Values

KEY_N

public static final int KEY_N

Key code for N

See Also:: Constant Field Values

KEY_O

public static final int KEY_O

Key code for O

See Also:: Constant Field Values

KEY_P

public static final int KEY_P

Key code for P

See Also:: Constant Field Values

KEY_Q

public static final int KEY_Q

Key code for Q

See Also:: Constant Field Values

KEY_R

public static final int KEY_R

Key code for R

See Also:: Constant Field Values

KEY_S

public static final int KEY_S

Key code for S

See Also:: Constant Field Values

KEY_T

public static final int KEY_T

Key code for T

See Also:: Constant Field Values

KEY_U

public static final int KEY_U

Key code for U

See Also:: Constant Field Values

KEY_V

public static final int KEY_V

Key code for V

See Also:: Constant Field Values

KEY_W

public static final int KEY_W

Key code for W

See Also:: Constant Field Values

KEY_X

public static final int KEY_X

Key code for X

See Also:: Constant Field Values

KEY_Y

public static final int KEY_Y

Key code for Y

See Also:: Constant Field Values

KEY_Z

public static final int KEY_Z

Key code for Z

See Also:: Constant Field Values

KEY_ZERO

public static final int KEY_ZERO

Key code number 0

See Also:: Constant Field Values

KEY_ONE

public static final int KEY_ONE

Key code number 1

See Also:: Constant Field Values

KEY_TWO

public static final int KEY_TWO

Key code number 2

See Also:: Constant Field Values

KEY_THREE

public static final int KEY_THREE

Key code number 3

See Also:: Constant Field Values

KEY_FOUR

public static final int KEY_FOUR

Key code number 4

See Also:: Constant Field Values

KEY_FIVE

public static final int KEY_FIVE

Key code number 5

See Also:: Constant Field Values

KEY_SIX

public static final int KEY_SIX

Key code number 6

See Also:: Constant Field Values

KEY_SEVEN

public static final int KEY_SEVEN

Key code number 7

See Also:: Constant Field Values

KEY_EIGHT

public static final int KEY_EIGHT

Key code number 8

See Also:: Constant Field Values

KEY_NINE

public static final int KEY_NINE

Key code number 9

See Also:: Constant Field Values

KEY_NUM_ZERO

public static final int KEY_NUM_ZERO

Key code for number 0 on numeric keyboard

See Also:: Constant Field Values

KEY_NUM_ONE

public static final int KEY_NUM_ONE

Key code for number 1 on numeric keyboard

See Also:: Constant Field Values

KEY_NUM_TWO

public static final int KEY_NUM_TWO

Key code for number 2 on numeric keyboard

See Also:: Constant Field Values

KEY_NUM_THREE

public static final int KEY_NUM_THREE

Key code for number 3 on numeric keyboard

See Also:: Constant Field Values

KEY_NUM_FOUR

public static final int KEY_NUM_FOUR

Key code for number 4 on numeric keyboard

See Also:: Constant Field Values

KEY_NUM_FIVE

public static final int KEY_NUM_FIVE

Key code for number 5 on numeric keyboard

See Also:: Constant Field Values

KEY_NUM_SIX

public static final int KEY_NUM_SIX

Key code for number 6 on numeric keyboard

See Also:: Constant Field Values

KEY_NUM_SEVEN

public static final int KEY_NUM_SEVEN

Key code for number 7 on numeric keyboard

See Also:: Constant Field Values

KEY_NUM_EIGHT

public static final int KEY_NUM_EIGHT

Key code for number 8 on numeric keyboard

See Also:: Constant Field Values

KEY_NUM_NINE

public static final int KEY_NUM_NINE

Key code for number 9 on numeric keyboard

See Also:: Constant Field Values

KEY_NUM_MULTIPLY

public static final int KEY_NUM_MULTIPLY

Key code for multiply on numeric keyboard

See Also:: Constant Field Values

KEY_NUM_PLUS

public static final int KEY_NUM_PLUS

Key code for plus on numeric keyboard

See Also:: Constant Field Values

KEY_NUM_MINUS

public static final int KEY_NUM_MINUS

Key code for minus on numeric keyboard

See Also:: Constant Field Values

KEY_NUM_PERIOD

public static final int KEY_NUM_PERIOD

Key code for period on numeric keyboard

See Also:: Constant Field Values

KEY_NUM_DIVISION

public static final int KEY_NUM_DIVISION

Key code for division on numeric keyboard

See Also:: Constant Field Values

KEY_ALT

public static final int KEY_ALT

Alt key code.

See Also:: Constant Field Values

KEY_BACKSPACE

public static final int KEY_BACKSPACE

Backspace key code.

See Also:: Constant Field Values

KEY_CTRL

public static final int KEY_CTRL

Control key code.

See Also:: Constant Field Values

KEY_DELETE

public static final int KEY_DELETE

Delete key code (also numeric keypad delete).

See Also:: Constant Field Values

KEY_DOWN

public static final int KEY_DOWN

Down arrow code (Also numeric keypad down).

See Also:: Constant Field Values

KEY_END

public static final int KEY_END

End key code (Also numeric keypad south west).

See Also:: Constant Field Values

KEY_ENTER

public static final int KEY_ENTER

Enter key code.

See Also:: Constant Field Values

KEY_ESCAPE

public static final int KEY_ESCAPE

Escape key code.

See Also:: Constant Field Values

KEY_HOME

public static final int KEY_HOME

Home key code (Also numeric keypad north west).

See Also:: Constant Field Values

KEY_LEFT

public static final int KEY_LEFT

Left key code (Also numeric keypad west).

See Also:: Constant Field Values

KEY_PAGEDOWN

public static final int KEY_PAGEDOWN

Page down key code (Also numeric keypad south east).

See Also:: Constant Field Values

KEY_PAGEUP

public static final int KEY_PAGEUP

Page up key code (Also numeric keypad north east).

See Also:: Constant Field Values

KEY_RIGHT

public static final int KEY_RIGHT

Right arrow key code (Also numeric keypad east).

See Also:: Constant Field Values

KEY_SHIFT

public static final int KEY_SHIFT

Shift key code.

See Also:: Constant Field Values

KEY_TAB

public static final int KEY_TAB

Tab key code.

See Also:: Constant Field Values

KEY_UP

public static final int KEY_UP

Up Arrow key code (Also numeric keypad north).

See Also:: Constant Field Values

KEY_F1

public static final int KEY_F1

Key code for F1

See Also:: Constant Field Values

KEY_F2

public static final int KEY_F2

Key code for F2

See Also:: Constant Field Values

KEY_F3

public static final int KEY_F3

Key code for F3

See Also:: Constant Field Values

KEY_F4

public static final int KEY_F4

Key code for F4

See Also:: Constant Field Values

KEY_F5

public static final int KEY_F5

Key code for F5

See Also:: Constant Field Values

KEY_F6

public static final int KEY_F6

Key code for F6

See Also:: Constant Field Values

KEY_F7

public static final int KEY_F7

Key code for F7

See Also:: Constant Field Values

KEY_F8

public static final int KEY_F8

Key code for F8

See Also:: Constant Field Values

KEY_F9

public static final int KEY_F9

Key code for F9

See Also:: Constant Field Values

KEY_F10

public static final int KEY_F10

Key code for F10

See Also:: Constant Field Values

KEY_F11

public static final int KEY_F11

Key code for F11

See Also:: Constant Field Values

KEY_F12

public static final int KEY_F12

Key code for F12

See Also:: Constant Field Values

KEY_WIN_KEY_FF_LINUX

public static final int KEY_WIN_KEY_FF_LINUX

Key code for Windows key on Firefox Linux

See Also:: Constant Field Values

KEY_MAC_ENTER

public static final int KEY_MAC_ENTER

Key code for Mac enter key

See Also:: Constant Field Values

KEY_PAUSE

public static final int KEY_PAUSE

Key code for pause key

See Also:: Constant Field Values

KEY_CAPS_LOCK

public static final int KEY_CAPS_LOCK

Key code for caps lock key

See Also:: Constant Field Values

KEY_SPACE

public static final int KEY_SPACE

Key code for space

See Also:: Constant Field Values

KEY_PRINT_SCREEN

public static final int KEY_PRINT_SCREEN

Key code for print key

See Also:: Constant Field Values

KEY_INSERT

public static final int KEY_INSERT

Key code for insert key (Also numeric keyboard insert).

See Also:: Constant Field Values

KEY_NUM_CENTER

public static final int KEY_NUM_CENTER

Key code for insert key (Also num lock on FF,Safari Mac).

See Also:: Constant Field Values

KEY_WIN_KEY

public static final int KEY_WIN_KEY

Key code for left windows key.

See Also:: Constant Field Values

KEY_WIN_KEY_LEFT_META

public static final int KEY_WIN_KEY_LEFT_META

Key code for left windows key or meta.

See Also:: Constant Field Values

KEY_WIN_KEY_RIGHT

public static final int KEY_WIN_KEY_RIGHT

Key code for right windows key.

See Also:: Constant Field Values

KEY_CONTEXT_MENU

public static final int KEY_CONTEXT_MENU

Key code for context menu key.

See Also:: Constant Field Values

KEY_MAC_FF_META

public static final int KEY_MAC_FF_META

Key code for KEY_WIN_KEY_LEFT_META that Firefox fires for the meta key.

See Also:: Constant Field Values

KEY_NUMLOCK

public static final int KEY_NUMLOCK

Key code for num lock.

See Also:: Constant Field Values

KEY_SCROLL_LOCK

public static final int KEY_SCROLL_LOCK

Key code for scroll lock.

See Also:: Constant Field Values

KEY_FIRST_MEDIA_KEY

public static final int KEY_FIRST_MEDIA_KEY

Key code for first OS specific media key (like volume).

See Also:: Constant Field Values

KEY_LAST_MEDIA_KEY

public static final int KEY_LAST_MEDIA_KEY

Key code for last OS specific media key (like volume).

See Also:: Constant Field Values

KEY_WIN_IME

public static final int KEY_WIN_IME

Key code for IME.

See Also:: Constant Field Values

Method Detail

isArrowKey

public static boolean isArrowKey(int code)

Determines if a key code is an arrow key.

maybeSwapArrowKeysForRtl

public static int maybeSwapArrowKeysForRtl(int code,
                                           boolean isRtl)

Update arrow keys for left and right based on current locale.

Note: this method is used internally by built-in GWT widgets but could be renamed/refactored without notice.

This method simplifies RTL handling in your code:

 int keyCode = KeyCodes.maybeSwapArrowKeysForRtl(event.getKeyCode(),
   LocaleInfo.getCurrentLocale().isRTL());
 switch (keyCode) {
   case KeyCodes.KEY_LEFT:
     ... // start of the line, no special RTL handling
     break;
   case KeyCodes.KEY_RIGHT:
     ... // end of the line, no special RTL handling
     break;
   ...
   }